A button cell production line

Abstract

The application discloses a button cell production line, a back mold cover mechanism, a buffer hopper mechanism, a button type tablet pressing mechanism, a positive electrode ring feeding mechanism, a buffer disc mechanism, a liquid feeding mechanism, a buffer disc mechanism, a positive electrode cover feeding mechanism, a back mold cover mechanism, a sealing disc mechanism and a demolding cover and lid disc mechanism are respectively connected with the main working disc mechanism in the circumferential direction, the working end of the liquid feeding mechanism is connected with the buffer disc mechanism at the inlet, the buffer disc mechanism, the positive electrode cover feeding mechanism, the back mold cover mechanism and the sealing disc mechanism are respectively connected with the demolding cover and lid disc mechanism in the circumferential direction, the outlet of the back mold cover mechanism is connected with the main working disc mechanism in the circumferential direction, the outlet of the sealing disc mechanism is connected with the ultrasonic cleaning mechanism, the outlet of the ultrasonic cleaning mechanism is connected with the detection mechanism, the detection mechanism is connected with the tray loading mechanism, the structure of the negative electrode combination mechanism is changed to make the filling and assembly of the material in the negative electrode bottom more smooth and improve the assembly speed of the negative electrode bottom, the buffer hopper mechanism is arranged to separate the assembly of the negative electrode bottom and the subsequent process to make the process after the assembly of the negative electrode bottom not affected by the negative electrode bottom mechanism, and the production speed of the production line is improved.

Description

Technical Field

[0001] This invention relates to the field of battery manufacturing equipment, and more particularly to a button cell battery production line. Background Technology

[0002] With social development and continuous technological progress, the development speed of various electronic products is accelerating, and the battery industry is also developing accordingly. Increasing battery production capacity is key for enterprises to improve efficiency. Traditional button cell battery production lines (such as...) Figure 5 The diagram shows an array layout, where each assembly component is distributed on both sides of a track. The track transports the negative electrode of the button cell from the head of the production line to the tail. During the transport process, the raw materials are assembled onto the negative electrode through mechanisms on both sides. This production line structure is safe and stable, but it requires a stationary operation once for each battery assembly, resulting in a maximum production capacity of only about 70 cells per minute. Summary of the Invention

[0003] Purpose of the invention: The purpose of this invention is to provide a button cell battery production line that can continuously produce and assemble batteries, thereby improving battery production efficiency.

[0004] Technical Solution: A button cell production line includes a button cell pressing mechanism, a main working tray mechanism, a negative electrode assembly mechanism, a buffer hopper mechanism, a positive electrode ring feeding mechanism, a liquid adding mechanism, a buffer tray mechanism, a mold return mechanism, a positive electrode cap feeding mechanism, a demolding and capping tray mechanism, a sealing tray mechanism, an ultrasonic cleaning mechanism, a testing mechanism, and a tray loading mechanism. The outlet of the negative electrode assembly mechanism is connected to the inlet of the buffer hopper mechanism. The outlets of the mold return mechanism, the buffer hopper mechanism, the button cell pressing mechanism, the positive electrode ring feeding mechanism, and the buffer tray mechanism are respectively located at... The main working disc mechanism is circumferentially connected to it, the working end of the liquid adding mechanism is connected to it at the inlet of the buffer disc mechanism, the outlet of the buffer disc mechanism, the outlet of the positive electrode cap feeding mechanism, the inlet of the return mold sleeve mechanism, and the inlet of the sealing disc mechanism are respectively connected to the demolding and fitting cover disc mechanism circumferentially, the outlet of the return mold sleeve mechanism is connected to it circumferentially, the outlet of the sealing disc mechanism is connected to the inlet of the ultrasonic cleaning mechanism, the outlet of the ultrasonic cleaning mechanism is connected to the inlet of the detection mechanism, and the outlet of the detection mechanism is connected to the inlet of the loading disc mechanism.

[0005] Furthermore, the snap-on tableting mechanism includes a tableting disc device and a feeding track device. The outlet of the tableting disc device is connected to the inlet end of the feeding track device, and the outlet end of the feeding track device is connected to the main working disc mechanism.

[0006] Furthermore, a front tableting transition plate and a rear tableting transition plate are provided between the inlet end of the feeding track device and the tableting plate device. The outlet of the tableting plate device is connected to the inlet of the front tableting transition plate device, and the outlet of the front tableting transition plate device is connected to the inlet end of the feeding track device. The front tableting transition plate and the rear tableting transition plate are configured to allow the manganese tablets to move more smoothly from the tableting plate device into the feeding track device.

[0007] Furthermore, the negative electrode assembly mechanism includes a negative electrode assembly disk device, a negative electrode bottom feeding device, a lithium cutting device, a flattening device, a visual inspection device, and a separator paper punching device. The negative electrode bottom feeding device, the lithium cutting device, the flattening device, the visual inspection device, the separator paper punching device, and the buffer hopper mechanism inlet are respectively connected to the negative electrode assembly disk device in sequence in the circumferential direction of the negative electrode assembly disk device.

[0008] Furthermore, the buffer disk mechanism includes a front buffer disk device and a rear buffer disk device. The inlet of the front buffer disk device is connected to the main working disk mechanism, the inlet of the rear buffer disk device is connected to the outlet of the front buffer disk device, and the outlet of the rear buffer disk device is connected to the inlet of the demolding and fitting cover disk mechanism. The front buffer disk device and the rear buffer disk device are set to allow the electrolyte sufficient time to fuse in the negative electrode bottom and meet the layout requirements of the production line.

[0009] Furthermore, at least one buffer transition plate device is provided between the main working plate mechanism and the buffer plate mechanism. The main working plate mechanism, each of the buffer transition plate devices, and the buffer plate mechanism are sequentially connected. The working end of the liquid adding mechanism is connected to any of the buffer transition plate devices. At least one demolding and fitting plate transition device is provided between the buffer plate mechanism and the demolding and fitting plate mechanism. The buffer plate mechanism, each of the demolding and fitting plate transition devices, and the demolding and fitting plate mechanism are sequentially connected. At least one sealing transition device is provided between the demolding and fitting plate mechanism and the sealing plate mechanism. The demolding and fitting plate mechanism, each of the sealing transition devices, and the sealing plate mechanism are sequentially connected. At least one ultrasonic transition plate device is provided between the sealing plate mechanism and the ultrasonic cleaning mechanism. The sealing plate mechanism, each of the ultrasonic transition plate devices, and the ultrasonic cleaning mechanism are sequentially connected. The provision of buffer transition plate devices, demolding and fitting plate transition devices, sealing transition devices, and ultrasonic transition plate devices meets the layout requirements of the production line.

[0010] Furthermore, a capping disc rejection device is provided between the demolding and capping disc mechanism and the sealing disc mechanism, respectively docking with them. The capping disc rejection device will reject unqualified batteries coming out of the demolding and capping disc mechanism to improve the battery pass rate. A sealing disc rejection device is provided between the sealing disc mechanism and the ultrasonic cleaning mechanism, respectively docking with them. The sealing disc rejection device will reject unqualified batteries coming out of the sealing disc mechanism to improve the battery pass rate.

[0011] Furthermore, a diversion track device is provided between the sealing tray mechanism and the ultrasonic cleaning mechanism. The inlet of the diversion track device is connected to the sealing tray mechanism, and the outlet of the diversion track device is connected to the inlet of the ultrasonic cleaning mechanism. The diversion track device is configured to allow the batteries to enter the ultrasonic cleaning mechanism separately, thereby improving the cleaning efficiency of the batteries.

[0012] Furthermore, the diversion track device consists of one front-division two-track device and two rear-division two-track devices. The inlet of the front-division two-track device is connected to the outlet of the sealing plate mechanism, the inlets of the two rear-division two-track devices are respectively connected to the outlet of the front-division two-track device, and the outlets of the two rear-division two-track devices are all connected to the inlet of the ultrasonic cleaning mechanism.

[0013] Furthermore, the outlet of the return mold sleeve mechanism, the outlet of the buffer hopper mechanism, the outlet of the button-type pressing mechanism, the outlet of the positive electrode ring feeding mechanism, and the inlet of the buffer disk mechanism are respectively connected to the main working disk mechanism in the circumferential direction. This connection sequence improves the efficiency of the main working disk mechanism in assembling batteries.

[0014] Beneficial effects: The advantages of this invention are that by changing the structure of the negative electrode assembly mechanism, the filling and assembly of materials inside the negative electrode bottom of the battery is made smoother, thereby increasing the assembly speed of the negative electrode bottom. By setting a buffer hopper mechanism, the assembly of the negative electrode bottom and subsequent processes are run separately, so that the processes after the negative electrode bottom assembly are not affected by the negative electrode bottom mechanism, thereby increasing the production speed of the production line. Attached Figure Description

[0015] Figure 1 This is a top-down view of the entire production line;

[0016] Figure 2 This is a top view of the negative electrode assembly mechanism;

[0017] Figure 3 for Figure 1 Schematic diagram A of a partially enlarged area;

[0018] Figure 4 for Figure 1 Schematic diagram B, showing a magnified portion of the middle section;

[0019] Figure 5This is a schematic diagram of a traditional button cell battery production line. Detailed Implementation

[0020] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0021] A button cell battery production line, such as Figure 1As shown, the assembly includes a button-type pressing mechanism 1, a main working tray mechanism 2, a negative electrode assembly mechanism 3, a buffer hopper mechanism 4, a positive electrode ring feeding mechanism 5, a liquid adding mechanism 6, a buffer tray mechanism 7, a mold return mechanism 8, a positive electrode cap feeding mechanism 9, a demolding and capping tray mechanism 10, a sealing tray mechanism 11, an ultrasonic cleaning mechanism 12, a detection mechanism 13, and a tray loading mechanism 14. The outlet of the negative electrode assembly mechanism 3 and the inlet of the buffer hopper mechanism 4 are connected. The negative electrode assembly mechanism 3 fills the negative electrode with lithium blocks and processes the lithium blocks within the negative electrode assembly mechanism 3 before transporting them to the buffer hopper mechanism 4. Because the operation of the negative electrode assembly mechanism 3 is intermittent and not continuous, it needs to be buffered once after assembling the negative electrode to prepare for the next process. The outlet of the mold return mechanism 8... The outlets of the buffer hopper mechanism 4, the snap-fit ​​pressing mechanism 1, the positive electrode ring feeding mechanism 5, and the buffer tray mechanism 7 are respectively connected upwards around the main working tray mechanism 2. The buffer hopper mechanism 4 transports the assembled battery negative electrode, the snap-fit ​​pressing mechanism 1 (manganese sheet), the positive electrode ring feeding mechanism 5 (positive electrode ring), and the return mold mechanism 8 (battery mold) to the main working tray mechanism 2 for assembly. After assembly, the assembly is transferred and connected to the buffer tray mechanism 7. To improve the assembly efficiency of the main working tray mechanism 2, the outlets of the return mold mechanism 8, the buffer hopper mechanism 4, the snap-fit ​​pressing mechanism 1, the positive electrode ring feeding mechanism 5, and the buffer tray mechanism 7 are respectively connected upwards around the main working tray mechanism 2. The liquid addition mechanism 6 is in operation. The end of the buffer disk mechanism 7 is connected to the inlet of the buffer disk mechanism 7. The electrolyte addition mechanism 6 adds electrolyte to the assembled battery negative electrode. Before the battery negative electrode enters the buffer disk mechanism 7, electrolyte needs to be added to the assembled battery negative electrode. The battery negative electrode with added electrolyte needs a period of time to fuse with the materials inside the battery negative electrode. The buffer disk mechanism 7 is a device that provides time for the electrolyte to fuse in the battery negative electrode. The outlet of the buffer disk mechanism 7, the outlet of the positive electrode cover feeding mechanism 9, the inlet of the mold sleeve mechanism 8, and the inlet of the sealing disk mechanism 11 are respectively connected to the demolding sleeve cover mechanism 10 around the circumference. The battery negative electrode and the positive electrode cover of the positive electrode ring feeding mechanism 5 on the buffer disk mechanism 7 are transferred to the demolding sleeve cover mechanism 10, and the demolding sleeve cover mechanism 10 is connected to the positive electrode cover of the mold sleeve mechanism 5. After assembly within 0, the assembled batteries are conveyed to the sealing tray mechanism 11 for sealing. At this time, the negative terminal mold sleeve is conveyed to the main working tray via the mold sleeve return mechanism 8 for recycling. The outlet of the mold sleeve return mechanism 8 is connected to the main working tray mechanism on its circumference. The outlet of the sealing tray mechanism 11 is connected to the inlet of the ultrasonic cleaning mechanism 12. The sealing tray mechanism 11 seals the positive and negative terminals of the button cell battery assembly. The outlet of the ultrasonic cleaning mechanism 12 is connected to the inlet of the inspection mechanism 13. The ultrasonic cleaning mechanism 12 cleans the sealed button cells. The outlet of the inspection mechanism 13 is connected to the inlet of the tray loading mechanism 14. The inspection mechanism 13 performs quality inspection on the assembled button cells and rejects those that have completed the assembly process. The assembled batteries are then cleaned by the ultrasonic cleaning mechanism 12.After passing the inspection by testing agency 13, the food is finally trayed and packaged on traying mechanism 14.

[0022] The snap-on tableting mechanism 1 includes a tableting disc device 101 and a feeding track device 102. The inlet end of the feeding track device 102 is connected to the tableting disc device 101, and the outlet end of the feeding track device 102 is connected to the main working disc device 2. The tableting disc device 101 presses manganese powder into manganese flakes, which are then transported to the main working disc device 2 via the feeding track device 102. In order to allow the manganese flakes to enter the feeding track device 102 more quickly and smoothly, a front tableting transition disc device 103 and a rear tableting transition disc device 104 are provided between the inlet end of the feeding track device 102 and the tableting disc device 101. The outlet of the tableting disc device 101 is connected to the inlet of the front tableting transition disc device 103, and the outlet of the front tableting transition disc device 103 is connected to the inlet end of the feeding track device 102. After the manganese flakes come out of the tableting disc device 101, they enter the front tableting transition disc device 103, then the rear tableting transition disc device 104, and then enter the track.

[0023] like Figure 2 As shown, the negative electrode assembly mechanism 3 includes a negative electrode assembly disk device 301, a negative electrode bottom feeding device 302, a lithium cutting device 303, a flattening device 304, a vision inspection device 305, and a separator paper flushing device 306. The negative electrode bottom feeding device 302, the lithium cutting device 303, the flattening device 304, the vision inspection device 305, the separator paper flushing device 306, and the buffer hopper mechanism 4 are respectively connected to the negative electrode assembly disk device 301 in a circumferential direction. It can be understood that in the battery production process, lithium needs to be placed into the bottom of the battery negative electrode first, and then the lithium block in the bottom of the negative electrode is flattened and filled into the entire bottom of the negative electrode by the flattening device 304. Then, the vision inspection device 305 checks whether the previous process is qualified. Finally, the separator paper is placed into the bottom of the negative electrode. After all the processes are completed, the battery is moved into the buffer hopper mechanism 4 for buffering.

[0024] The buffer tray mechanism 7 includes a front buffer tray device 701 and a rear buffer tray device 702. The inlet of the front buffer tray device 701 is connected to the main working tray mechanism 2, the inlet of the rear buffer tray device 702 is connected to the outlet of the front buffer tray device 701, and the outlet of the rear buffer tray device 702 is connected to the inlet of the demolding and fitting cover plate mechanism 10. The purpose of setting up two buffer tray devices is that when the electrolyte is added to the bottom of the negative electrode, it is necessary to allow the electrolyte to fuse in the bottom of the negative electrode for a period of time. Due to site requirements and production line layout, setting up only one buffer tray mechanism 7 would occupy too much space and affect the layout of other equipment. Therefore, it is necessary to set up a front buffer tray device 701 and a rear buffer tray device 702.

[0025] like Figure 3As shown, at least one buffer transition plate device 15 is provided between the main working plate mechanism 2 and the buffer plate mechanism 7. The main working plate mechanism 2, each buffer transition plate device 15, and the buffer plate mechanism 7 are sequentially connected. This can be understood as follows: if one buffer transition plate device 15 is provided, the main working plate mechanism 2 and the buffer plate mechanism 7 are respectively connected to the buffer transition plate device 15; if multiple buffer transition plate devices 15 are provided, they are sequentially connected, with the first buffer transition plate device 15 connected to the main working plate mechanism 2, and the last buffer transition plate device 15 connected to the buffer plate mechanism 7. The working end of the liquid adding mechanism 6 is connected to any one of the buffer transition plate devices 15. The buffer plate mechanism 7 and the demolding mechanism are connected... At least one demolding and fitting cover transition device 16 is provided between the fitting cover plate mechanisms 10. The buffer plate mechanism 7, each demolding and fitting cover transition device 16, and the demolding and fitting cover plate mechanism 10 are sequentially connected. This can be understood as follows: if one demolding and fitting cover transition device 16 is provided, the buffer plate mechanism 7 and the demolding and fitting cover plate mechanism 10 are respectively connected to the demolding and fitting cover transition device 16; if multiple demolding and fitting cover transition devices 16 are provided, the multiple demolding and fitting cover transition devices 16 are sequentially connected, with the foremost demolding and fitting cover transition device 16 connected to the buffer plate mechanism 7, and the last demolding and fitting cover transition device 16 connected to the demolding and fitting cover plate mechanism 10. The demolding and fitting cover plate mechanism 10 and the sealing plate mechanism 11 are connected... At least one sealing transition device 17 is provided. The demolding and fitting cover plate mechanism 10, each sealing transition device 17, and the sealing plate mechanism 11 are sequentially connected. This can be understood as follows: if one sealing transition device 17 is provided, the demolding and fitting cover plate mechanism 10 and the sealing plate mechanism 11 are respectively connected to the sealing transition device 17; if multiple sealing transition devices 17 are provided, they are sequentially connected, with the foremost sealing transition device 17 connected to the demolding and fitting cover plate mechanism 10, and the last sealing transition device 17 connected to the sealing plate mechanism 11. At least one ultrasonic transition plate device 18 is provided between the sealing plate mechanism 11 and the ultrasonic cleaning mechanism 12. The sealing plate mechanism 11 and each of the ultrasonic transition plates... The device 18 and the ultrasonic cleaning mechanism 12 are connected sequentially. This can be understood as follows: if one ultrasonic transition plate device 18 is set, the sealing plate mechanism 11 and the ultrasonic cleaning mechanism 12 are connected to the ultrasonic transition plate device 18 respectively. If multiple ultrasonic transition plate devices 18 are set, the multiple ultrasonic transition plate devices 18 are connected sequentially, with the foremost ultrasonic transition plate device 18 connected to the sealing plate mechanism 11 and the last ultrasonic transition plate device 18 connected to the ultrasonic cleaning mechanism 12. The functions of the buffer transition plate device 15, the demolding sleeve capping transition device 16, and the sealing transition device 17 are all to make the battery operation smoother and to adjust the battery production line to make the production line layout more reasonable.

[0026] A capping and sealing disc removal device 19 is provided between the demolding and capping disc mechanism 10 and the sealing disc mechanism 11, respectively. The capping and sealing disc removal device 19 is used to inspect the battery after the positive electrode cap and negative electrode bottom are joined together, and to remove unqualified batteries. A sealing and sealing disc removal device 20 is provided between the sealing disc mechanism 11 and the ultrasonic cleaning mechanism 12, respectively. The sealing and sealing disc mechanism 11 and the ultrasonic cleaning mechanism 12 are used to remove unqualified batteries after the sealing disc mechanism 11 has sealed the battery, thereby improving the battery pass rate and battery quality.

[0027] like Figure 4 As shown, a diversion track device 21 is provided between the sealing tray mechanism 11 and the ultrasonic cleaning mechanism 12. The inlet of the diversion track device 21 is connected to the sealing tray mechanism 11, and the outlet of the diversion track device 21 is connected to the inlet of the ultrasonic cleaning mechanism 12. When the batteries coming out of the sealing tray mechanism 11 need to enter the ultrasonic cleaning mechanism 12 for cleaning, if there is only one channel to transport the installed batteries into the ultrasonic cleaning mechanism 12, it is easy to cause the batteries to become congested in a certain place, resulting in the subsequent batteries not being effectively cleaned. Dividing the batteries into multiple channels to enter the ultrasonic cleaning mechanism 12 improves the battery operating efficiency. Furthermore, the cleaning work can be completed using a shorter ultrasonic cleaning mechanism 12, reducing the space occupied. The diversion track device 21 includes one front-division two-track device 211 and two rear-division two-track devices 212. The inlet of the front-division two-track device 211 is connected to the outlet of the sealing tray mechanism 11. The inlets of the two rear-division two-track devices 212 are respectively connected to the outlet of the front-division two-track device 211. The outlets of the two rear-division two-track devices 212 are all connected to the inlet of the ultrasonic cleaning mechanism 12. The batteries are divided into four paths and transported to the ultrasonic cleaning mechanism 12 to meet the requirements of the production line while saving costs.

[0028] The operating steps and principle of this invention are as follows: Manganese powder is added to the button cell pressing mechanism 1 and compressed into manganese sheets, which are then conveyed to the main working plate mechanism 2. At this time, the negative electrode bottom of the button cell battery passes through the lithium block in the negative electrode assembly mechanism 3, and then the lithium block is flattened. After inspection, a separator paper is filled in and the battery is conveyed to the buffer hopper mechanism 4. The battery is then transferred in the buffer hopper mechanism 4 and then transported to the main working plate mechanism 2. The mold sleeve mechanism 8 conveys the mold sleeve of the negative electrode bottom to the main working plate mechanism 2. The positive electrode ring feeding mechanism 5 conveys the positive electrode ring to the working plate mechanism 2. On the working plate mechanism 2, the negative electrode bottom is installed on the mold sleeve, and the positive electrode ring is installed inside the negative electrode bottom. After assembly, the battery is transported to the buffer plate mechanism 7. Before entering the buffer plate mechanism 7, the negative electrode bottom is given electrolyte by the liquid adding mechanism 6. Then, the negative electrode bottom with added electrolyte enters the buffer plate mechanism 7. In the buffer plate mechanism 7, the electrolyte and the negative electrode bottom react together. The other materials inside the negative electrode are fused together. After fusion, the negative electrode bottom is transported to the demolding and capping tray mechanism 10. At this time, the positive electrode cap feeding mechanism 9 also transports the positive electrode cap to the demolding and capping tray mechanism 10. In the demolding and capping tray mechanism 10, the positive electrode cap is assembled on the negative electrode bottom. After assembly, before entering the sealing tray mechanism 11, the battery passes through the capping tray rejection device 19 to remove unqualified batteries. Qualified batteries enter the sealing tray mechanism 11 for sealing. After sealing, before entering the ultrasonic cleaning mechanism 12, the battery passes through the sealing rejection device 20 to remove unqualified batteries again. The battery passes through the diversion track device 21 and is divided into multiple paths to enter the ultrasonic cleaning mechanism 12. After being cleaned by the ultrasonic cleaning mechanism 12, the battery is transported to the testing mechanism 13 to test and reject batteries that have completed all processes. Finally, the battery is packaged in the tray loading mechanism 14.

Claims

1. A button cell battery production line, characterized in that, The system includes a snap-on tablet pressing mechanism (1), a main working disc mechanism (2), a negative electrode assembly mechanism (3), a buffer hopper mechanism (4), a positive electrode ring feeding mechanism (5), a liquid adding mechanism (6), a buffer disc mechanism (7), a mold return mechanism (8), a positive electrode cap feeding mechanism (9), a demolding and capping disc mechanism (10), a sealing disc mechanism (11), an ultrasonic cleaning mechanism (12), a detection mechanism (13), and a loading mechanism (14). The outlet of the negative electrode assembly mechanism (3) is connected to the inlet of the buffer hopper mechanism (4). The outlets of the mold return mechanism (8), the buffer hopper mechanism (4), the snap-on tablet pressing mechanism (1), the positive electrode ring feeding mechanism (5), and the... The inlet of the buffer tray mechanism (7) is connected to the main working tray mechanism (2) in the circumferential direction. The working end of the liquid adding mechanism (6) is connected to the inlet of the buffer tray mechanism (7). The outlet of the buffer tray mechanism (7), the outlet of the positive electrode cover feeding mechanism (9), the inlet of the mold return sleeve mechanism (8), and the inlet of the sealing tray mechanism (11) are connected to the demolding sleeve cover mechanism (10) in the circumferential direction. The outlet of the sealing tray mechanism (11) is connected to the inlet of the ultrasonic cleaning mechanism (12). The outlet of the ultrasonic cleaning mechanism (12) is connected to the inlet of the detection mechanism (13). The outlet of the detection mechanism (13) is connected to the inlet of the tray loading mechanism (14). The buckle-type tableting mechanism (1) includes a tableting disc device (101) and a feeding track device (102). The outlet of the tableting disc device (101) is connected to the inlet end of the feeding track device (102), and the outlet end of the feeding track device (102) is connected to the main working disc mechanism (2). The negative electrode assembly mechanism (3) includes a negative electrode assembly disk device (301), a negative electrode bottom feeding device (302), a lithium cutting device (303), a flattening device (304), a visual inspection device (305), and a separator paper flushing device (306). The inlets of the negative electrode bottom feeding device (302), the lithium cutting device (303), the flattening device (304), the visual inspection device (305), the separator paper flushing device (306), and the buffer hopper mechanism (4) are respectively connected to the negative electrode assembly disk device (301) in sequence around the negative electrode assembly disk device (301).

2. The button cell battery production line according to claim 1, characterized in that, A front tableting transition plate device (103) and a rear tableting transition plate device (104) are provided between the inlet end of the feeding track device (102) and the tableting plate device (101). The outlet of the tableting plate device (101) is connected to the inlet of the front tableting transition plate device (103), and the outlet of the front tableting transition plate device (103) is connected to the inlet end of the feeding track device (102).

3. The button cell battery production line according to claim 1, characterized in that, The buffer disk mechanism (7) includes a front buffer disk device (701) and a rear buffer disk device (702). The inlet of the front buffer disk device (701) is connected to the main working disk mechanism (2), the inlet of the rear buffer disk device (702) is connected to the outlet of the front buffer disk device (701), and the outlet of the rear buffer disk device (702) is connected to the inlet of the demolding and fitting cover disk mechanism (10).

4. The button cell battery production line according to claim 1, characterized in that, At least one buffer transition plate device (15) is provided between the main working plate mechanism (2) and the buffer plate mechanism (7). The main working plate mechanism (2), each of the buffer transition plate devices (15), and the buffer plate mechanism (7) are sequentially connected. The working end of the liquid adding mechanism (6) is connected to any of the buffer transition plate devices (15). At least one demolding sleeve transition device (16) is provided between the buffer plate mechanism (7) and the demolding sleeve cover mechanism (10). The buffer plate mechanism (7), each of the demolding sleeve cover transition devices (16), and the demolding sleeve cover... The disc mechanisms (10) are connected in sequence. At least one sealing transition device (17) is provided between the demolding and fitting cover disc mechanism (10) and the sealing disc mechanism (11). The demolding and fitting cover disc mechanism (10), each of the sealing transition devices (17) and the sealing disc mechanism (11) are connected in sequence. At least one ultrasonic transition disc device (18) is provided between the sealing disc mechanism (11) and the ultrasonic cleaning mechanism (12). The sealing disc mechanism (11), each of the ultrasonic transition disc devices (18) and the ultrasonic cleaning mechanism (12) are connected in sequence.

5. A button cell battery production line according to claim 1, characterized in that, A cover removal device (19) is provided between the demolding cover plate mechanism (10) and the sealing plate mechanism (11) and is respectively connected to them. A sealing removal device (20) is provided between the sealing plate mechanism (11) and the ultrasonic cleaning mechanism (12) and is respectively connected to them.

6. A button cell battery production line according to claim 1, characterized in that, A diversion track device (21) is provided between the sealing plate mechanism (11) and the ultrasonic cleaning mechanism (12). The inlet of the diversion track device (21) is connected to the sealing plate mechanism (11), and the outlet of the diversion track device (21) is connected to the inlet of the ultrasonic cleaning mechanism (12).

7. A button cell battery production line according to claim 6, characterized in that, The diversion track device (21) consists of one front diversion track device (211) and two rear diversion track devices (212). The inlet of the front diversion track device (211) is connected to the outlet of the sealing plate mechanism (11). The inlets of the two rear diversion track devices (212) are respectively connected to the outlet of the front diversion track device (211). The outlets of the two rear diversion track devices (212) are all connected to the inlet of the ultrasonic cleaning mechanism (12).

8. A button cell battery production line according to claim 1, characterized in that, The outlet of the return mold sleeve mechanism (8), the outlet of the buffer hopper mechanism (4), the outlet of the snap-on pressing mechanism (1), the outlet of the positive electrode ring feeding mechanism (5), and the inlet of the buffer plate mechanism (7) are respectively connected to the main working plate mechanism (2) in the circumferential direction.

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